527989 has 8 divisors (see below), whose sum is σ = 658368. Its totient is φ = 411360.

The previous prime is 527987. The next prime is 527993. The reversal of 527989 is 989725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 527989 - 2¹ = 527987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352 + ... + 3505.

It is an arithmetic number, because the mean of its divisors is an integer number (82296).

2⁵²⁷⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

527989 is a deficient number, since it is larger than the sum of its proper divisors (130379).

527989 is a wasteful number, since it uses less digits than its factorization.

527989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its digits is 45360, while the sum is 40.

The square root of 527989 is about 726.6285158181. The cubic root of 527989 is about 80.8242391252.

The spelling of 527989 in words is "five hundred twenty-seven thousand, nine hundred eighty-nine".